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Simplify: - Mathematics

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Question

Simplify:

`("x"^("a"+"b"))^("a"-"b").("x"^("b"+"c"))^("b"-"c").("x"^("c"+"a"))^("c"-"a")`

Sum

Solution

`("x"^("a"+"b"))^("a"-"b").("x"^("b"+"c"))^("b"-"c").("x"^("c"+"a"))^("c"-"a")`

`="x"^(("a"+"b")("a"-"b"))."x"^(("b"+"c")("b"-"c"))."x"^(("c"+"a")("c"-"a")`

`="x"^("a"^2-"b"^2)".x"^("b"^2-"c"^2)."x"^("c"^2-"a"^2)`

`="x"^("a"^2-"b"^2+"b"^2-"c"^2+"c"^2-"a"^2`

`="x"^0`

`=1`

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Law of Exponents (For Integral Powers)
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Chapter 2: Exponents - Exercise 2 (B) [Page 34]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 2 Exponents
Exercise 2 (B) | Q 5 | Page 34
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